Case study approach

I have use case studies because:

• a case study approach "allows the investigator to take advantage of emergent themes and unique case features"{Eisenhardt, 1989 }
• a case helps understand the different views of people working on the same project, their "claims, concerns and issues" {Guba, 1989 : p184}. The context is the constant and the participants are the variables.
• a case study allows organisation of data around the themes of IT and the public sector

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EISENHARDT, K. M. (1989) Building Theories from Case Study Research. Academy of Management Review, 14, 532-550.
GUBA, E. G. & LINCOLN, Y. S. (1989) Fourth Generation Evaluation, Newbury Park, CA; London, Sage.